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2011-2014 Mustangs
Driveline/Suspension
Suspension Tech: Bring It!
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<blockquote data-quote="walt6076" data-source="post: 14831561" data-attributes="member: 170324"><p>BMR Tech – </p><p></p><p>I need some more traction help on my 2008 GT500 convertible. I have about 500 RWP (pulley swap & tune) and 4.30 gears. Rear tires are Hooser QTP 28x11.50-15 on 10” wheels set to about 12.5 PSI. Suspension is BMR drag race springs, rear Vikings shocks set at 3/3, and front Strange struts set at 5 just are you recommended. UCA / LCA are from Eibach Pro kit. I have BMR LCA relocation brackets and am using the middle hole. The UCA bracket is from the Eibach Pro kit. It has two holes and the UCA is mounted to the body using the front hole in the UCA mount. It also has the rear anti-sway bar from the Eibach Pro Kit. The clutch is a McLeod improvement over stock.</p><p></p><p>First, the good news is the change to BMR springs and recommended shocks/struts were an improvement in making the car launch more smoothly. There was none of the squat-then-bounce up and unload I experienced with the Eibach Pro springs and shocks/struts. Thanks.</p><p></p><p>But I am still getting plenty of wheel spin from the QTP.</p><p></p><p>Launching at 4000 RPM I get spin for maybe the first 50’. It transitions smoothly to hook, but my 60’ times are 1.95. </p><p></p><p>Launching at 2000 RPM I get spin for maybe the first 30’. My 60’ times are high 1.80s, a slight improvement, but obviously I’m leaving a lot of power unused.</p><p></p><p>Launching at just above idle gave me the best 60’ of 1.81 but I really want to find a way to apply more power than that! </p><p></p><p>One other bit of data, in my burnout after I have warmed and cleaned the tires with the power still on I release the line lock and let the car advance towards the line. As the tires start to grab there is some wheel-hop as the tires start to grab. I don’t feel any wheel-hop on the launch, but I thought I’d mention it. I don’t feel or hear that intense STICK coming forward from the burnout that I’m used to if things are working right--just the hop.</p><p> </p><p>Thanks for any advice you can offer about what to try next.</p></blockquote><p></p>
[QUOTE="walt6076, post: 14831561, member: 170324"] BMR Tech – I need some more traction help on my 2008 GT500 convertible. I have about 500 RWP (pulley swap & tune) and 4.30 gears. Rear tires are Hooser QTP 28x11.50-15 on 10” wheels set to about 12.5 PSI. Suspension is BMR drag race springs, rear Vikings shocks set at 3/3, and front Strange struts set at 5 just are you recommended. UCA / LCA are from Eibach Pro kit. I have BMR LCA relocation brackets and am using the middle hole. The UCA bracket is from the Eibach Pro kit. It has two holes and the UCA is mounted to the body using the front hole in the UCA mount. It also has the rear anti-sway bar from the Eibach Pro Kit. The clutch is a McLeod improvement over stock. First, the good news is the change to BMR springs and recommended shocks/struts were an improvement in making the car launch more smoothly. There was none of the squat-then-bounce up and unload I experienced with the Eibach Pro springs and shocks/struts. Thanks. But I am still getting plenty of wheel spin from the QTP. Launching at 4000 RPM I get spin for maybe the first 50’. It transitions smoothly to hook, but my 60’ times are 1.95. Launching at 2000 RPM I get spin for maybe the first 30’. My 60’ times are high 1.80s, a slight improvement, but obviously I’m leaving a lot of power unused. Launching at just above idle gave me the best 60’ of 1.81 but I really want to find a way to apply more power than that! One other bit of data, in my burnout after I have warmed and cleaned the tires with the power still on I release the line lock and let the car advance towards the line. As the tires start to grab there is some wheel-hop as the tires start to grab. I don’t feel any wheel-hop on the launch, but I thought I’d mention it. I don’t feel or hear that intense STICK coming forward from the burnout that I’m used to if things are working right--just the hop. Thanks for any advice you can offer about what to try next. [/QUOTE]
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Suspension Tech: Bring It!
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